Home / 5,110.13-7,664.92-1,647.11

Finding the Fourth Proportional to 5,110.13, 7,664.92 and 1,647.11

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Solution

The fourth proportional to 5,110.13, 7,664.92 and 1,647.11 is: 2,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.13 : 7,664.92 = 1,647.11 : x
  2. Step 2: Convert to fraction form
    5,110.13/7,664.92 = 1,647.11/x
  3. Step 3: Cross multiply
    5,110.13x = 7,664.92 × 1,647.11
  4. Step 4: Simplify right side
    5,110.13x = 12,624,966.38
  5. Step 5: Solve for x
    x = 12,624,966.38/5,110.13
  6. Step 6: Final answer
    x = 2,470.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.